Since the birth of their youngest child, one-year-old Enzo, the Leblanc family has been under pressure. The relationship between Sophie and her eldest daughter, Jessie, 17, is particularly tense. Each member of the family will have to find his or her place.

Marilou and Philippe prepare for their future retirement in Portugal. But their daughter separates and a whole procession of solicitations falls on them.

They are possessive, benevolent, clumsy, absent, omnipresent, overwhelmed, guilty, indulgent, loving, fragile, in full possession of their wits, or losing their heads. Alive or already a memory. They are mothers, and it’s their party.

As the sailors competing in the Vendée Globe prepare to set sail, the murder of a local figure disrupts preparations. The victim was the sponsor of Yannick Berthomé, a local boy and the race favorite. Lieutenants Judith Kamara and Olivier Finet are dispatched from the Angers SRPJ to investigate.